Home / 965,038.20-1,331,912.18-535,456.72

Finding the Fourth Proportional to 965,038.20, 1,331,912.18 and 535,456.72

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Solution

The fourth proportional to 965,038.20, 1,331,912.18 and 535,456.72 is: 739,018.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,038.20 : 1,331,912.18 = 535,456.72 : x
  2. Step 2: Convert to fraction form
    965,038.20/1,331,912.18 = 535,456.72/x
  3. Step 3: Cross multiply
    965,038.20x = 1,331,912.18 × 535,456.72
  4. Step 4: Simplify right side
    965,038.20x = 713,181,327,230.85
  5. Step 5: Solve for x
    x = 713,181,327,230.85/965,038.20
  6. Step 6: Final answer
    x = 739,018.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.